Oil-supply indicator for automobiles



Dec. 19 1922.

0. L. OLSON.

OIL SUPPLY IND: A'roR Fon AuToMosvLes.

FILED MAv 29. 1922.

V JJvmToR- @fw/ ATTGRNEK Patenten nee. i', iena listet@ @scan il.oisoii, ernennen, iiriiiivnsoriuessreivon onnriiiitrio nnrnnn otsoiv,

. v orr s'rerionrinnn, iirriiivnsorii'- oir-surrnv iivinice'ron nonAuron/inertes.

`Applica/tion led Marvi-Q9,

To all whom t may concern:

'citizen of the United States,. residingv at that part ofthe engineandniy device shown Braham, in the county of santi and kState or Minnesota,have invented certain new and' useful lniprovenients inOil-Supplylndieators for Automobiles7 of which the following is aspecification.

My invention relates to oil supply indica# tors for automobile enginesof the type havf ing an Oil chamber with upper aiidlow'er pet cocks fordetermining the amount-oit oil i the bulb will lill with air veryslowly, being' unable todraw air through the L i6 and up in the enginecrank oase.

The object of my invention is to provide a simple and eilicient deviceby which the driver of an automobile can readily determine ii `there isenough oil in the' crank case ywithout getting outerl the car endnipulating the pet cocks or to look at a sight gage vfrom under therunning board of the car. p

vIn th'eaccoinpanying drawing:

Fig iis a side view partly in section, oit

an automobile engine with my device epplied toit andsonie oi tiieadjacent autoinoi -bile parts shown in section.

Fig 2 is an enlarged inodiii'edview o'i in section in Fig. l.

-Re'l'e'rring to the drawing by reference" numerals l haveillustratedtliat part ol a l? ord type yautomobile to whichinyydevice is.applicable consisting of thereer portion the iloor board, l0 the dash,ll'the insti'u--Av nient boardand l2 the hood oic the autoniog vvtankori chainben'a vertically disposed tube oit the engine 3,itstransniission vhousing inclosing Athefly wheel 5, vthe lowery portion'et said housing comprising an oil lclii1-:ndern 6; 7 are the footpedals7 8' the foot board, y9

bile in approximately correct relation to the'y inotor. maintained anyauto of the type nientionecb said level usually being above the pet cock14 and below the threaded'hole l5 inthe `ing* vertically to receivea nutllfi'oin the `upper end oit which e tube 18' preferably niade of copper,is extended upwardly to a point below the instrument board 1l,- andv maybe held securely in a bracket 19 secured to thek dash 10 (see Fig. 1)'.A rubber bulb lowerend opipe 18,

" 2 to'nieintain 13 indicates the oil level usually#l ie22. serialrio/5seen. v

2O is secured on thev upper end of opipe i8' and just ybelow the bulb .Iouta small' aperture 2l in said pipe tor described." y

.Assuming that. an oil level is to be inaintainedbetween thedrainjcoclrl*andthe hole` l5 in the oil chainbei, niy device is used asfollows to determine whether there l enough oil. in the oil chamber. l

The operator. nierelyk squeezes bulbQO lat withy one hand and thenreleases it@ 'lf the oil: level is etlor above the levelo the l. 1G.

pipe i8, :uit Vwill yinstead draw 'air slowly through aperture 2l. inthe ,pipe 18. rlhis indicates to the operator 'that there is enough oilin the crank case. However, if the bulb illls with Vair very quickly itindicatesl that f l pour enough-oil in the-crank case until the properlevel has'beenreached1 l i7 vis the type of nut, coninionin autoinc-kbile practice -having thi eds to vengege the' upper end of the l. 16andan inter-nal seat and holdingl ineens not/shown) for the In Soniecars it is desirable to maintain f y a lQw-erl'oil level, as l5* in 2,end for this purpose l provide another pipe L 22 having'externel threadsto engage internel `threads at the inner end oil.. l5,` t

l` other ariiiQQ of l.. 22 being'oia anylength desired and extended downardlvv es yshown in oil levelll -f lS I ,Wl/what l clai 4ln anautomobile engine havingfan oil having*@slower -end connected with thelower portion ol-thesaid chamber, its bodv'y provided with a Cwalllateral aperture and itsupper end with an. air sucking device;

Vand drawing eir slowly when the oil is above f f the lower end ,olfthetubeso that .air can 'only be sucked through the side `aperture :in thetube lll-testimony whereoflvaiiXy siglgnature.` y. y

Loscnn noitsoiv.k a

